How to identify access cards

How to identify the access card? Mobile phones or bracelets can only simulate non-encrypted cards. If the card is encrypted, it needs to be cracked before it can be simulated with a mobile phone or bracelet. If it is cracked, you need to buy professional equipment. This tutorial will teach you to identify whether the card is encrypted in advance.

Tool material NFC card reader tool NFC mobile phone or NFC bracelet

Software and hardware preparation step by step reading

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NFC reader tool

The reading and writing editing software of IC card on mobile phone, combined with Bluetooth or OTG card reader, can realize the function of cracking access card on mobile phone, which is the protagonist of this paper. The software has the payment function, but this tutorial only needs to read the card, and does not need to use the payment function.

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NFC phone or NFC bracelet

NFC mobile phones or bracelets need to have their own encryption access card simulation function, which is currently supported by most mobile phones or bracelets on the market.

Actual combat operation

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0x00 1 Because the mobile phone or bracelet can only simulate non-encrypted cards, we use the mobile phone or bracelet to simulate our access card, so we use the function of the mobile phone or bracelet to simulate it. If the simulation is successful, the access card is an unencrypted card, as shown in the following figure:

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0x02 If you don't prompt that there is no encryption when simulating with your mobile phone or bracelet, it may be the following situations:

1, mobile phone card reading is unresponsive: This situation shows that your access card is an ID card, and the mobile phone only supports analog IC cards. If your access card is an ID card, you can't use your mobile phone to simulate it (remember to read it several times with your mobile phone);

2. The mobile phone prompt card does not support emulation: this is because your access card is not the standard M 1 card, and this prompt will appear on general bus cards, bank cards or cards with stored value function (remember to watch it several times with your mobile phone);

3, mobile phone prompt card encryption: this situation shows that your card is encrypted M 1 card, most access cards, elevator cards, membership cards are in this situation, this card needs to be cracked to get the password to simulate. Tutorial portal:

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0x03 After the above steps are completed, use the NFC card reader tool to confirm the card type. Only cards with SAK 08 can support cracking. NFC card reader tool supports cracking access cards on mobile phones, but it needs the cooperation of hardware devices. Please refer to the tutorial for details:

Matters needing attention

In this article, the NFC card reader tool does not need to register an access card. Now it can be simply divided into Bluetooth card, ID card and IC card. Today, I will briefly tell you the difference between ID card and IC card.

Tool raw materials IC or ID access cards, buckles, flashlights

Methods/Steps Step by Step Reading

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Card number identification ID card. If it is a card, it is usually an ID card with (10+8) digits printed on it. The key ring is usually 10, 9 or 8-digit ID card.

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Coil identification ID card is suitable for strong light irradiation such as flashlight. The thick coil is an ID card, the thin coil is an IC card, the rectangular coil is an IC card, and the rectangular thick circle is an ID plus IC dual-frequency card.